April 2013 solar flare

NASA's Solar Dynamics Observatory captured this image of an M6.5-class flare at 3:16 a.m. Eastern time on Thursday. This image shows a combination of light in wavelengths of 131 and 171 Angstroms.

NASA's Solar Dynamics Observatory captured this image of an M6.5-class flare at 3:16 a.m. Eastern time on Thursday. This image shows a combination of light in wavelengths of 131 and 171 Angstroms. (NASA/SDO)

NASA's Solar Dynamics Observatory captured this image of an M6.5-class flare at 3:16 a.m. Eastern time on Thursday. This image shows a combination of light in wavelengths of 131 and 171 Angstroms.